General

  • Target

    5ce03b4e40a722d043bd8ed5833a239b08bf869d1b8b61f74e0229085c2237c9

  • Size

    514KB

  • Sample

    210515-e1aw2k8qha

  • MD5

    43d0b9b359b595c5c2911dccef0d3d35

  • SHA1

    24a79c1496c2c7b38662c466b9a1739162e586fc

  • SHA256

    5ce03b4e40a722d043bd8ed5833a239b08bf869d1b8b61f74e0229085c2237c9

  • SHA512

    2285891829ecb6f8e520f2d688bd2daec96943c14d6cc23c877f9703cebb5ff1d12fcb8ea282ef22d90006c1df9dafec7b8da7f3babfa1cd1cd5a7670b4e624d

Malware Config

Targets

    • Target

      5ce03b4e40a722d043bd8ed5833a239b08bf869d1b8b61f74e0229085c2237c9

    • Size

      514KB

    • MD5

      43d0b9b359b595c5c2911dccef0d3d35

    • SHA1

      24a79c1496c2c7b38662c466b9a1739162e586fc

    • SHA256

      5ce03b4e40a722d043bd8ed5833a239b08bf869d1b8b61f74e0229085c2237c9

    • SHA512

      2285891829ecb6f8e520f2d688bd2daec96943c14d6cc23c877f9703cebb5ff1d12fcb8ea282ef22d90006c1df9dafec7b8da7f3babfa1cd1cd5a7670b4e624d

    • Modifies WinLogon for persistence

    • Modifies system executable filetype association

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Adds Run key to start application

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Modifies WinLogon

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

2
T1004

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

6
T1112

Tasks